CN213217406U - Hallux valgus minimally invasive osteotomy protection device - Google Patents

Abstract

The utility model discloses a hallux valgus wicresoft cuts bone protection device, include: the handle, the longitudinal rod and the transverse rod form a Z shape in the same plane, and the left end of the tip is connected with the right end of the transverse rod; the longitudinal rod is provided with a first osteotomy groove, and the transverse rod is provided with a second osteotomy groove. The utility model discloses mainly used wicresoft cuts the bone operation, the most advanced periosteum surface can be followed and the seam surface is peeled off in a diving way, and the miniature pendulum saw can realize cutting the bone fast accurately through first osteotomy groove and second osteotomy groove, and longitudinal bar and horizontal pole can avoid damaging soft tissue on every side, and the design is exquisite reasonable, and convenient operation cuts the accurate and wound of bone little, and the postoperative healing is fast.

Description

Hallux valgus minimally invasive osteotomy protection device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, the utility model relates to a hallux valgus wicresoft cuts bone protection device.

Background

Hallux valgus is the most common foot deformity of middle-aged and old women, which affects the shoes wearing and daily life of the people and brings great inconvenience. Various treatment methods for hallux valgus, such as metatarsophalangeal joint fusion, proximal metatarsal stem osteotomy, metatarsal stem osteotomy and distal metatarsal osteotomy, have good curative effect on correction of severe hallux valgus deformity, but have the defects of large surgical trauma, long postoperative recovery time, multiple complications and the like. Minimally invasive osteotomy for treating mild and moderate hallux valgus deformity is favored by patients at home and abroad, but minimally invasive osteotomy has the defects of large damage to surrounding soft tissues during osteotomy due to small incision, difficult mastering of osteotomy surface, shortened metatarsal bone after osteotomy, poor control of distal metatarsal head position, easy occurrence of complications such as relapse, unhealed osteotomy and the like. The minimally invasive osteotomy is difficult to achieve by the existing micro drill and the like if the minimally invasive osteotomy is to achieve the effects of rapid and accurate osteotomy and small damage to surrounding soft tissues. Therefore, there is a need for a protection device for minimally invasive osteotomy in hallux valgus to at least partially solve the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.

For solving above-mentioned problem at least partially, the utility model provides a hallux valgus wicresoft cuts bone protection device, include: the handle, the longitudinal rod and the transverse rod form a Z shape in the same plane, and the left end of the tip is connected with the right end of the transverse rod; the longitudinal rod is provided with a first osteotomy groove, and the transverse rod is provided with a second osteotomy groove.

Preferably, the side rail has a cylindrical shape, and the first osteotomy groove is disposed at a lower half portion of the side rail along an axis of the side rail.

Preferably, the cross bar is a cuboid, and the second osteotomy groove is perpendicular to the short side of the cross bar, is arranged on the horizontal center line of the cross bar, and is communicated with the first osteotomy groove.

Preferably, the thickness of the cross bar is 1mm-3mm, and the width of the cross bar is 3mm-5 mm.

Preferably, the cross section of the tip is a right triangle, the left end of the tip is a vertical right-angle side and is connected with the right end of the cross rod, the lower surface of the tip and the lower surface of the cross rod are on the same horizontal plane, and the width of the right end of the tip 4 is smaller than that of the left end of the tip.

Preferably, the handle includes the portion of holding, connecting rod, the cross section of connecting rod is circular, its right-hand member with the upper end of vertical pole is connected as an organic whole, the outer wall of the portion of holding with the left end of connecting rod is connected.

Preferably, the connecting portion of the holding portion and the connecting rod is arc-shaped, and an included angle between the axis of the left end face of the connecting portion and the axis of the connecting rod main body is formed.

Preferably, the left end of the connecting rod is provided with anti-skid grains at a position close to the circular ring.

Preferably, the holding part is circular, and the surface of the holding part is provided with anti-slip lines.

Preferably, the handle, the longitudinal bar, the transverse bar and the tip are all made of stainless steel materials.

Compared with the prior art, the utility model discloses at least, including following beneficial effect:

1. a hallux valgus wicresoft cuts bone protection device mainly used wicresoft and cuts bone operation, the most advanced periosteum surface that can follow is peeled off in a stealthily way, miniature pendulum saw can realize cutting the bone fast accurately through first osteotomy groove and second osteotomy groove, longitudinal bar and horizontal pole can avoid haring soft tissue on every side, the design is exquisite reasonable, convenient operation, it is little to cut bone accuracy and wound, postoperative healing is fast.

A protective device for minimally invasive osteotomy of hallux valgus, other advantages, objects and features of the present invention will be embodied in part by the following description, and in part will be understood by those skilled in the art through a study and practice of the present invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a three-dimensional schematic view of the overall structure of the hallux valgus minimally invasive osteotomy protection device of the present invention.

Fig. 2 is a schematic front view of the device for minimally invasive osteotomy protection against hallux valgus according to the present invention.

Fig. 3 is a right side schematic view of the pollex valgus minimally invasive osteotomy protection device of the present invention shown in fig. 2.

Fig. 4 is a left side schematic view of the hallux valgus minimally invasive osteotomy protection device of the present invention shown in fig. 2.

Fig. 5 is a schematic top view of the device for minimally invasive osteotomy protection with hallux valgus according to the present invention shown in fig. 2.

Fig. 6 is a schematic front view of the tip of the minimally invasive osteotomy protection device for hallux valgus according to the present invention.

Fig. 7 is a schematic view of the tip left side of the hallux valgus minimally invasive osteotomy protection device of fig. 6.

Fig. 8 is a schematic view of the position relationship between the protective device for the minimally invasive osteotomy with hallux valgus and the pendulum saw blade of the present invention.

Fig. 9 is a schematic view of the displacement of the distal metatarsal V-shaped osteotomy.

1 is a handle, 1-1 is a hand holding part, 1-2 is a connecting rod, 2 is a longitudinal rod, 2-1 is a first osteotomy groove, 3 is a transverse rod, 3-1 is a second osteotomy groove, 4 is a tip, 5 is a saw blade and a is a connecting part.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-9, the utility model provides a hallux valgus minimally invasive osteotomy protection device, which comprises: the handle comprises a handle 1, a vertical rod 2, a cross rod 3 and a tip 4, wherein the right end of the handle 1 is connected with the upper end of the vertical rod 2, the left end of the cross rod 3 is connected with the lower end of the vertical rod 2, the handle 1, the vertical rod 2 and the cross rod 3 form a Z shape in the same plane, and the left end of the tip 4 is connected with the right end of the cross rod 3; the longitudinal rod 2 is provided with a first osteotomy groove 2-1, and the transverse rod 3 is provided with a second osteotomy groove 3-1.

The working principle of the technical scheme is as follows: taking a transverse V-shaped osteotomy at the distal end of a metatarsal head as an example, a patient lies on the back of an operating table, the toe of the patient is upward, a positioning kirschner wire is placed in the center of the lateral side of the metatarsal head, the point is the tip 4 of the V-shaped osteotomy, after the position of the positioning needle is accurately seen through a C-shaped arm X-ray machine, a 0.8cm long transverse incision is made from the point to the proximal end, the transverse incision is bluntly separated to periosteum, and a periosteum stripper is separated from the periphery along the periosteum surface; holding the handle 1 by an operator, placing a cross rod 3 of the protection device into the bone surface tightly adhered to the back side through a skin incision, penetrating a positioning kirschner wire out through a second osteotomy groove 3-1, adjusting the angle of the cross rod 3 to determine a back side osteotomy line, and cutting the bone through a micro oscillating saw of the second osteotomy groove 3-1; further pushing the cross rod 3 and the tip 4 to perform submerge separation towards the back side of the near end along the angle of the osteotomy line, wherein the miniature swinging saw blade 5 penetrates through the first osteotomy groove 2-1 of the longitudinal rod 2 at one side of the handle 1 and further osteotomy along the second osteotomy groove 3-1 of the cross rod 3 towards the near end to complete the back side osteotomy; taking out the protection device, placing the protection device into the incision from the incision to the metatarsal side, enabling the positioning kirschner wire to penetrate out of the second osteotomy groove 3-1, taking the positioning kirschner wire as the vertex of the osteotomy line, adjusting the cross rod 3 to enable the axis of the second osteotomy groove 3-1 to form an angle of 60 degrees with the dorsal osteotomy line, and cutting the bone through the second osteotomy groove 3-1 by the miniature pendulum saw; the cross bar 3 is further pushed towards the near-end metatarsal side in a submerged way along the osteotomy line direction, and the miniature pendulum saw blade 5 passes through the second osteotomy groove 3-1 of the oblique near-end metatarsal side transverse bar 3 through the first osteotomy groove 2-1 to complete metatarsal side osteotomy.

The beneficial effects of the above technical scheme are that: the utility model discloses mainly used wicresoft cuts the bone operation, and most advanced 4 can follow the periosteum surface and dive and peel off, and the miniature pendulum saw can realize cutting the bone fast accurately through first osteotomy groove 2-1 and second osteotomy groove 3-1, and longitudinal bar 2 and horizontal pole 3 can avoid damaging soft tissue on every side, and the design is exquisite reasonable, convenient operation, cuts that the bone is accurate and the wound is little, and postoperative healing is fast.

In one embodiment, the side rail 2 has a cylindrical shape, and the first osteotomy groove 2-1 is disposed at a lower half portion of the side rail 2 along an axis of the side rail 2.

The working principle of the technical scheme is as follows: the lower half part of the longitudinal rod 2 is provided with a first osteotomy groove 2-1 along the axis thereof, so that the miniature pendulum saw blade 5 can pass through, and accurate osteotomy can be realized.

The beneficial effects of the above technical scheme are that: simple structure can realize accurate osteotomy and protect surrounding soft tissue.

In one embodiment, the cross bar 3 is a cuboid, and the second osteotomy groove 3-1 is perpendicular to the short side of the cross bar 3, is arranged on the horizontal center line of the cross bar 3, and is communicated with the first osteotomy groove 2-1.

The working principle of the technical scheme is as follows: the second osteotomy groove 3-1 on the cross rod 3 can enable the micro oscillating saw blade and the Kirschner wire to pass through, the positioning is accurate, and the first osteotomy groove 2-1 and the second osteotomy groove 3-1 are communicated with each other, so that the operation of the micro oscillating saw is facilitated.

The beneficial effects of the above technical scheme are that: can make the operation very convenient, make the osteotomy more accurate, and be convenient for protect the surrounding soft tissue not to be damaged.

In one embodiment, the cross bar 3 has a thickness of 1mm to 3mm and a width of 3mm to 5 mm.

The working principle of the technical scheme is as follows: the cross bar 3 is mainly used for adhering to the bone surface and performs the latent peeling of the periosteum together with the tip 4, so the cross bar 3 is thinner and narrower in thickness without affecting the use strength of the protection device.

The beneficial effects of the above technical scheme are that: the utility model is beneficial to the periosteum occulting and peeling together with the tip 4, reduces the occulting and peeling resistance and is more convenient to operate.

In one embodiment, the cross section of the tip 4 is a right triangle, the left end of the tip 4 is a vertical right-angle side and is connected with the right end of the cross bar 3, the lower surface of the tip 4 and the lower surface of the cross bar 3 are on the same horizontal plane, and the width of the right end of the tip 4 is smaller than that of the left end thereof.

The working principle of the technical scheme is as follows: the overall shape of the tip 4 is wedge-shaped, the height and the width of the left end face of the tip 4 are consistent with those of the cross rod 3, and the width of the right end of the tip 4 is smaller than that of the left end, so that the resistance of periosteum occultation stripping is reduced, and the use is more convenient.

The beneficial effects of the above technical scheme are that: the design of the tip 4 is very suitable for minimally invasive surgery, periosteum can be easily stripped in a submerged mode when the protection device is used, subsequent surgery operation is facilitated, and surrounding soft tissues are well protected.

In one embodiment, the handle 1 comprises a hand grip portion 1-1 and a connecting rod 1-2, the cross section of the connecting rod 1-2 is circular, the right end of the connecting rod 1-2 is integrally connected with the upper end of the vertical rod 2, and the outer wall of the hand grip portion 1-1 is connected with the left end of the connecting rod 1-2.

The working principle of the technical scheme is as follows: the connecting rod 1-2 and the longitudinal rod 2 can be formed by bending the same pipe body, a holding part 1-1 is arranged at the left end of the connecting rod 1-2, any finger can be sleeved into the holding part 1-1 according to personal use habits in operation, and the connecting rod 1-2 is held by the other fingers, so that the stability of the protection device is improved.

The beneficial effects of the above technical scheme are that: the structural design of the handle 1 can make the whole protection device more stable when in use, conveniently exert force, and is not easy to fall off the hand, thereby making the osteotomy more accurate.

In one embodiment, the connecting portion a between the hand grip portion 1-1 and the connecting rod 1-2 is in a circular arc shape, and an included angle between the axis of the left end surface of the connecting portion a and the axis of the main body of the connecting rod 1-2 is 45 degrees.

The working principle of the technical scheme is as follows: the connecting part a and the connecting rod 1-2 are integrally formed, and the axis of the left end face of the connecting part a and the axis of the main body of the connecting rod 1-2 form an included angle of 45 degrees, so that the handle 1 can be held by hands more conveniently and the force can be better exerted.

The beneficial effects of the above technical scheme are that: the structural design further increases the stability of the protection device, and is more convenient for operation.

In one embodiment, the left end of the connecting rod 1-2 is provided with an anti-slip line at a position close to the circular ring.

The working principle of the technical scheme is as follows: the anti-slip threads increase the friction between the fingers and the handle 1.

The beneficial effects of the above technical scheme are that: the anti-slip lines increase the friction force of finger contact, prevent the finger from falling off the hand and further increase the stability of the protection device.

In one embodiment, the hand holding part 1-1 is in a ring shape, and the surface of the hand holding part 1-1 is provided with anti-slip lines.

The working principle of the technical scheme is as follows: the hand holding part 1-1 can be penetrated by fingers, and the anti-slip lines increase the friction force between the fingers and the handle 1.

The beneficial effects of the above technical scheme are that: the anti-slip lines increase the friction force of the contact of the fingers and the circular ring, further increase the stability of the protection device and facilitate more accurate osteotomy of the operation.

In one embodiment, the handle 1, the side rail 2, the cross rail 3, and the tip 4 are all made of stainless steel.

The working principle of the technical scheme is as follows: the stainless steel material is durable and can be repeatedly used after being cleaned and autoclaved.

The beneficial effects of the above technical scheme are that: the stainless steel material is very environment-friendly and can be repeatedly used, thereby greatly saving resources and cost.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. A hallux valgus minimally invasive osteotomy protection device is characterized by comprising: the handle (1), the vertical rod (2), the cross rod (3) and the tip (4), wherein the right end of the handle (1) is connected with the upper end of the vertical rod (2), the left end of the cross rod (3) is connected with the lower end of the vertical rod (2), the handle (1), the vertical rod (2) and the cross rod (3) form a Z shape in the same plane, and the left end of the tip (4) is connected with the right end of the cross rod (3); the longitudinal rod (2) is provided with a first osteotomy groove (2-1), and the transverse rod (3) is provided with a second osteotomy groove (3-1).

2. A hallux valgus minimally invasive osteotomy protection device according to claim 1, wherein the longitudinal bar (2) is cylindrical, and the first osteotomy groove (2-1) is provided in a lower half of the longitudinal bar (2) along the axis of the longitudinal bar (2).

3. A hallux valgus minimally invasive osteotomy protection device according to claim 2, wherein the cross bar (3) is a cuboid, and the long side of the second osteotomy groove (3-1) is perpendicular to the short side of the cross bar (3) and is arranged on the horizontal center line of the cross bar (3) and communicated with the first osteotomy groove (2-1).

4. A minimally invasive hallux valgus osteotomy protection device according to claim 3, wherein the cross-bar (3) has a thickness of 1mm to 3mm and a width of 3mm to 5 mm.

5. A hallux valgus minimally invasive osteotomy protection device according to claim 1, wherein the cross section of the tip (4) is a right triangle, the left end of the tip (4) is a vertical right-angle side and is connected with the right end of the cross bar (3), the lower surface of the tip (4) is on the same horizontal plane with the lower surface of the cross bar (3), and the width of the right end of the tip (4) is smaller than that of the left end thereof.

6. A hallux valgus minimally invasive osteotomy protection device according to claim 1, wherein the handle (1) comprises a hand grip portion (1-1) and a connecting rod (1-2), the cross section of the connecting rod (1-2) is circular, the right end of the connecting rod is connected with the upper end of the longitudinal rod (2) into a whole, and the outer wall of the hand grip portion (1-1) is connected with the left end of the connecting rod (1-2).

7. A hallux valgus minimally invasive osteotomy protection device according to claim 6, wherein the connecting part (a) of the hand grip part (1-1) and the connecting rod (1-2) is arc-shaped, and the angle between the axis of the left end surface of the connecting part (a) and the axis of the main body of the connecting rod (1-2) is 45 degrees.

8. A minimally invasive osteotomy protection device for hallux valgus according to claim 6, characterized in that the left end of the connecting rod (1-2) is provided with an anti-skid thread near the ring.

9. A hallux valgus minimally invasive osteotomy protection device according to claim 6, wherein the hand grip (1-1) is ring-shaped, and the surface of the hand grip (1-1) is provided with anti-slip lines.

10. A minimally invasive hallux valgus osteotomy protection device according to claim 1, characterized in that said handle (1), said longitudinal bar (2), said transverse bar (3) and said tip (4) are all made of stainless steel material.

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